Difference Between iChat and Skype

Edited by Diffzy | Updated on: April 30, 2023


Difference Between iChat and Skype

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Everyone has an internet connection. The advent of collaborative applications that enable users to connect through chat, video, and audio methods has made it feasible for people to speak with one another. There are a lot of different kinds of software that can do this function. The most popular communication programs, iChat, and Skype are compared here to highlight the key differences.

Application software and other types of computer programs are produced to assist users in carrying out tasks that require the use of a computer. People can manage and carry out activities such as word processing, solving and creating scientific and mathematical issues and equations, and the development of graphics and animation scripts via the use of application software.

The software programs that are being utilized may be broken down into a wide variety of categories. There are many different types of software applications available, some of which include content access and entertainment software, educational and media development software, information worker software, which includes data management and documentation software, educational and collaborative software, and content access and entertainment software.

iChat vs Skype

The primary distinction between iChat and Skype is that iChat is software for instant messaging, whereas Skype is an online telephony service. On the other hand, Skype is an application that may be used to make calls. iChat allows users to communicate by audio, video, or text chat with one another using its many built-in features. Users can make voice or video calls with one another while using Skype.

Apple first introduced iChat in 2002 as a client application for their Mac OS X operating system. With the assistance of Bonjour, a protocol very similar to XMPP, and LAN communication, it makes chatting and sharing the screen easier. The audio is based on the SIP server protocol, and the video is only audio.

Niklas Zennstrom and Janus Friis of Denmark were the founders of Skype; however, Ahti Heinla, Priit Kasesalu, and Jaan Yalliin were the developers of Skype. It gives consumers the ability to make calls through the internet. Skype makes use of a proprietary Internet telephony VOIP network, or, to put it another way, Skype protocols, to make this possible.

Collaborative software includes email, calendaring, bookmarking, text chat, and social software such as online dating services and social networks like Twitter, Facebook, Ichat, and Skype. Other examples of collaborative software include bookmarking and text chat.

Skype is a piece of application software that was established in 2003 by Niklas Zennstrom and Danish Janus Friis. Ahti Heinla, Priit Kasesalu, and Jaan Yalliin were the developers of Skype. Users can engage in voice conversations and chat over the Internet with this application.

Once a person has enrolled for Skype, they will have the ability to communicate with other Skype users through voice calls, instant messaging, the transmission of files, and video conferencing. Skype calls to other users of the service are free, however, calls to mobile phones and landlines are not. It is compatible with the operating systems Linux, Android, Mac, and PSP; desktop computers and laptops running Windows; the iPhone; and fifty other mobile phones; and several kinds of televisions manufactured by Samsung, Panasonic, and LG.

On the other hand, That is a software program for instant messaging that was created in 2002 by Apple, Inc. for its Mac OS X operating system. It is compatible with the instant messaging services of MobileMe, Mac.com, AOL Instant Messenger, Google Talk, and Jabber.

Bonjour is an XMPP-like protocol for user discovery and LAN communication that provides voice, video, and text chat. Using Apple's Aqua Interface integrates speech bubbles and images to provide a customized talking experience.

The Session Initiation Protocol (SIP), a client-server protocol, is utilized for its video and audio conferencing, which is distinct from Skype's protocol. Skype makes use of a VOIP (voice over internet protocol) network that is exclusive to the company.

Difference Between iChat and Skype in Tabular Form

Parameters of Comparison iChat Skype
Foundation Apple established the company in 2002. Niklas Zennstrom and his coworkers established the company in 2003.
Systems Accounts for AOL Instant Messenger, MobileMe, Google Talk, or Jabber; Mac.com Linux, Android, Mac, PlayStation Portable, desktop and laptop computers running Windows, and various Samsung, LG, and Panasonic TV types.
Protocol SIP is also known as the client-server system protocol ( session initiation protocol). Protocol for the peer-to-peer system or the protocol for Skype.
Calling devices Only calls between computers are allowed. Users can call via either their laptops, mobile phones, or landlines.
Communication service The application for instant messaging An application for chatting and making audio calls.

What is iChat?

iChat was an instant messaging application that was created by Apple but is no longer available for download. Apple introduced a brand new version of iChat known as iChat AV in June 2003. can provide additional services such as voice and video conferencing. It was the second major version that became the industry standard.

After the first release of iChat AV, Apple went on to create several improved iterations of the program, including iChat AV 2, iChat AV 3, iChat 4, iChat 5, and iChat 6. Each version of iChat is designed to cater to a certain set of user requirements. AV 2 is being developed to support windows much as iChat is. Additionally, iChat 6 was designed to be compatible with Yahoo Messenger accounts when used together.

It is possible to use iChat with AOL instant messenger, Yahoo! Messenger, MobileMe, Google chat, and ICQ in addition to XMPP. It offers built-in features like speech bubbles and graphics that allow users to have a more customized experience while they are speaking online. Additionally, the Aqua user interface that Apple uses is included in iChat. However, even though it restricts the calling options available to consumers by enabling the only computer to computer communication,

It shows a friend list in various colours, such as green for mates who are presently available, yellow for buddies who are idle, and red for buddies who are not now available. Also, this might be changed to other shapes for those who are colour blind, such as a circle for available people, a triangle for idle people, and a square for people who are not available. iMessages and FaceTime video calling have now taken the role of iChat as the primary means of online communication.

iChat, which was earlier known as iChat AV, was an instant messaging software tool that was developed by Apple Inc. for their discontinued Mac OS X operating system. It enabled immediate text chatting over protocols such as XMPP/Jingle or OSCAR (AIM), as well as audio and video calling and screen-sharing capabilities. Additionally, it made it possible for local networks to communicate with people who were identified through Bonjour protocols.

With the release of OS X 10.8 Mountain Lion, Messages took over the functionality of iChat's chat features, while FaceTime took over iChat's video calling capabilities.

iChat is an AOL Instant Messenger (AOL IM) client that was created by Apple Computer for the Mac OS X platform. It was originally made available on August 24, 2002, with the introduction of Mac OS X 10.2 and was marketed as a third-party application. It is fully supported by AOL, and it utilizes its official implementation of the AOL IM protocols. This is in contrast to other third-party AOL IM clients, which use versions of the protocols that have been reverse-engineered.

What is Skype?

It is a software program for making telephone calls that are managed by Skype Technologies, which is a division of Microsoft. It is primarily recognized for its ability to facilitate video interactions; however, it also supports instant messaging, file transfer, calls to landlines, and other functions.

Following the completion of its development, eBay purchased it in 2005, and Microsoft did so again in 2011. This program was utilized by Microsoft to take its position instead of Windows Live Messenger. In the beginning, Skype used a combination of peer-to-peer and client-to-server protocols but later switched to a centralized service based on Microsoft Azure.

Skype has also launched other more sophisticated versions, which support a wide variety of computers and address the limitations of earlier versions. LIke Skype Alpha, it supports Linux, and also its most recent releases include platform integration with services like Gfycat, YouTube, and UpWorthy. However, negative feedback and objections put a halt to the integration.

In 2017, it introduced a feature called "Skype Interviews," which is intended to assist in job interviews for programming opportunities. It is distinguished by a feature known as shared code editing. It modified its user interface so that text-based communications, rather than video calls, take up a more prominent position. If both the caller and the recipient are using Skype, the call is completely free of charge for both parties. However, there are premium services that allow you to make calls on a landline or mobile phone without using Skype.

Users can simultaneously share their screens, engage in video chat, or participate in conference calls with up to 50 other individuals at any same time. In addition, there is an extra function that allows the user to fade the backdrop while they are on a video conversation without the need for a specialized camera. Simply creating an active user account gives users unrestricted access to all of these services at no additional cost.

Skype is a piece of software that allows people all over the globe to communicate with one another. Skype is used by millions of people and companies across the world to conduct free video and phone conversations, both one-on-one and in groups, to send instant messages to other Skype users, and to exchange files with other users. Skype may be accessed on a variety of devices, including mobile phones, personal computers, and even tablets.

Skype is a free voice and video calling service that enables users to make and receive calls via the internet using a computer, web browser, or mobile phone. Users may make calls using either the computer to make calls or the mobile phone to receive calls. Voice over Internet Protocol, often known as VoIP, is a method of communication that eliminates the need for conventional landlines and mobile phone contracts.

It doesn't matter whether you're working from home or trying to find a way to video chat with coworkers; Skype has eliminated the traditional barriers that formerly stood in the way of connection. You may use it to make calls to other countries as well as chat with the people who are saved in your contacts inside the program. If the other person you are chatting with also has a Skype account, you won't be required to pay any more fees to continue the conversation with them. You are, however, able to call and text your contacts who do not use Skype on their regular cellphones for an extra charge.

Main Differences Between iChat and Skype in Points

  • Apple introduced iChat in 2002, while Niklas Zennstrom and his colleagues were responsible for the development of Skype.
  • iChat is a program that enables users to create audio, video, and text-based chat conversations. It also supports instant messaging. Skype was designed specifically for use in online voice and video chats, and it gives users the ability to do both.
  • Skype can be used on televisions from Samsung, LG, and Panasonic, as well as on computer systems such as Mac, Android, and Windows, amongst others, while iChat can be used with MobileMe, Mac.com, AOL Instant Messenger, and Google Talk accounts, amongst other services.
  • iChat communicates with users over client-to-server protocols that are based on SIP ( session initiation protocol). Even though Skype is run on a peer-to-peer protocol by using a VOIP network known as the Skype protocol,
  • iChat's communication services are restricted to conversations that take place between two computers, but Skype's capabilities extend to online chatting as well as phone calls made to landlines, mobile phones, and other computers.
  • Ichat and Skype both allow users to conduct computer-to-computer phone calls; however, Skype users are unable to make calls to other Skype users' computers.
  • Utilize the iChat software for instant chatting, while Skype should be used for conversing on the phone and making audio calls.
  • Ichat was invented and developed in 2002 by Apple, Inc., while Skype was formed and developed in 2003 by Niklas Zennstrom, Dane Janus Friis, Ahti Heinla, 2. Priit Kasesalu, and Jaan Yalliin.


Both iChat and Skype are considered to be forms of telecommunication software; however, Skype is primarily a video-based form of telecommunication software, whilst iChat is an app that focuses on text-based conversation. In addition to the capabilities for which they are well known, they also offer numerous more features that are prepared to meet the needs of individual users.

The proliferation of new telecommuting applications may be attributed to the proliferation of new technology. Although it does not have a significant influence on the educational sphere, Skype is still the platform of choice for conducting business conferences and online conversations. iChat's service has been terminated, for the time being, however back when it was available, it was the superior method of communication available.


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"Difference Between iChat and Skype." Diffzy.com, 2024. Tue. 09 Apr. 2024. <https://www.diffzy.com/article/difference-between-ichat-and-skype-450>.

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